Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Checkpoint Therapeutics, Inc.

New York, New York

We hereby consent to the incorporation by reference in the Registration Statements on Form S­3 (No. 333-251005) and Form S-8 (No. 333-216856, No. 333-221488 and No. 333-251000) of Checkpoint Therapeutics, Inc. of our report dated March 12, 2021, relating to the financial statements which appears in this Annual Report on Form 10-K.



New York, New York

March 12, 2021